Extremely Hard Sudoku Puzzles

Challenge your brain with these 100 extremely hard Sudoku puzzles. They are suitable for Sudoku experts and and make a great gift! This book is really small (5x8 in), so it fits in nearly every handbag. Perfect to take with you on the train etc! Product details: 100 extremely hard Sudoku puzzleTwo puzzle per page!Solutions are included at the end of the bookVery small size: 5 x 8 inShiny, flexible and durable coverWe from "Sharpened Pencil Press" love puzzles in all forms and sizes to keep our brains active and happy. We hope you enjoy our books and have much fun solving them! Check out our other Sudoku and puzzle books!